error: invalid argument
  --> $DIR/invalid-debugger-visualizer-option.rs:4:24
   |
LL | #![debugger_visualizer(random_file = "../foo.random")]
   |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = note: expected: `natvis_file = "..."`
   = note: OR
   = note: expected: `gdb_script_file = "..."`

error: couldn't read $DIR/../foo.random: $FILE_NOT_FOUND_MSG (os error $FILE_NOT_FOUND_CODE)
  --> $DIR/invalid-debugger-visualizer-option.rs:5:24
   |
LL | #![debugger_visualizer(natvis_file = "../foo.random")]
   |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: aborting due to 2 previous errors